Home / 757,904.55-1,137,211.20-331,385.01

Finding the Fourth Proportional to 757,904.55, 1,137,211.20 and 331,385.01

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Solution

The fourth proportional to 757,904.55, 1,137,211.20 and 331,385.01 is: 497,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,904.55 : 1,137,211.20 = 331,385.01 : x
  2. Step 2: Convert to fraction form
    757,904.55/1,137,211.20 = 331,385.01/x
  3. Step 3: Cross multiply
    757,904.55x = 1,137,211.20 × 331,385.01
  4. Step 4: Simplify right side
    757,904.55x = 376,854,744,884.11
  5. Step 5: Solve for x
    x = 376,854,744,884.11/757,904.55
  6. Step 6: Final answer
    x = 497,232.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.